Finding the Fourth Proportional to 323,635.08, 485,508.21 and 98,990.09
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Solution
The fourth proportional to 323,635.08, 485,508.21 and 98,990.09 is: 148,502.14
Step by Step Solution
- Step 1: Write the proportion equation
323,635.08 : 485,508.21 = 98,990.09 : x - Step 2: Convert to fraction form
323,635.08/485,508.21 = 98,990.09/x - Step 3: Cross multiply
323,635.08x = 485,508.21 × 98,990.09 - Step 4: Simplify right side
323,635.08x = 48,060,501,403.64 - Step 5: Solve for x
x = 48,060,501,403.64/323,635.08 - Step 6: Final answer
x = 148,502.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.